Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

如果你的 Surface Pro 型号、Surface 3、Surface Studio 或 Surface Book 出现问题，请尝试全新启动、还原、恢复、重置为出厂设置。 你想要重新安装之前的操作系统：回退到旧版 Windows 如果最近升级到 Windows 11，但它不适合你，则尝试回退。

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

If you can’t locate a lost file from your backup, then you can use Windows File Recovery, which is a command line app available from the Microsoft Store.Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

你正在将加载项与 Outlook、Excel 或其他 Office 应用配合使用。虽然 32 位应用程序可与加载项配合使用，但它们可能会用尽系统的可用虚拟地址空间。 使用 64 位应用时，最多可以共享 128 TB 的虚拟地址空间，应用和运行同一进程的任何加载项都可以共享这些空间。

Choose Open all, or Open all in new window, or Open all in new InPrivate window.

Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.

Find your files in Windows 11 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar.You'll see results for documents across your PC and OneDrive.

本文中的信息仅在中国提供。 我们很高兴地向你推出荣耀、三星和 OPPO 特定设备上的“手机连接”！ 使用“手机连接”，可以轻松连接手机和电脑，以查看和回复短信、拨打和接听电话、查看和管理照片、接收移动通知，以及直接在电脑上使用手机屏幕。

在 Windows Server 2012 中，适用于 Microsoft Windows 的更新 (KB4486081) 显示在“控制面板”的“已安装的更新”下。 在 Windows RT 8.1、Windows 8.1 或 Windows Server 2012 R2 中，适用于 Microsoft Windows 的更新 (KB4486105) 显示在“控制面板”的“已安装的